DVR-5070
CIRCUIT DESCRIPTION
MainAlternate function
Port No.Port NameI/O
FunctionInputOutput
Timers
116PWM0I/O UnusedHSYNC
115PWM1I/O Pulse width modula oBoot from ROM3
114PWM2I/O UnusedVSYNC
JTAG
113TCKITest clock
112TDIITest data in
111TDOOTest data out
110TMSITest mode select
109TRSTITest reset
Front-end
16B DATAI12S dataSER Data
17B BCLKI12S bit clockSER BCLK
18B FLAGI12S error flag DVDSER VALID
19B SYNCI12S selector/ABS time SER SYNC
Video DAC
27,26,25R/G/B (OUT)OR/G/B output
32~34Y/C/CV (OUT)OY/C/CV output
29I REF RGII REF DAC RGB
28V REF RGIV REF DAC RGB
36I REF YCII REF DAC YC
35V REF YCIY REF DAC YC
23VDD RGB-YDDA RGB =2.5V
24VSS RGB-GND
30VDD YCC-YDDA YCC =2.5V
31VSS YCC-GND
Shared memory interface
69~66SMI ADR(0~3)OAddress bus SDRAM
58~63SMI ADR(4~9)OAddress bus SDRAM
70~73SMI ADR(10~13)OAddress bus SDRAM
84~93,
SMI DATA(0~15)I/O Data bus SDRAM
97~102
74,75SMI CS(0,1)OChip select bank 0,1
76SMI RASORAS SDRAM
77SMI CASOCAS SDRAM
78SMI WEOSDRAM write enable
79,80SMI (DQML, DQMU)ODQ MASK EN LOW, UP
82SMI CLKINISDRAM clock in
95SMI CLKOUTOSDRAM clock out
Power supply
4,47,81,107
VDD3 3-3.3V Power supply
136,159,184
14,37,64,94
119,149,171 VDD2 5-2.5V Power supply
198
5,15,38,50,65
83,96,108,121
VSS-GND
137,150,160
172,185,199
7 |
ACEC
KENWOOD
